It is very likely that we will soon lose our refinery, the former Neftokhim, to Lukoil soon.
Perhaps only Kozloduy NPP remains.

1. “Kremikovtsi” metallurgical plant – near Sofia

• Built in the early 1960s; officially opened on November 5, 1963.
• The largest metallurgical project of socialist Bulgaria.
• After 1989 it fell into crisis, privatized in 1999, finally bankrupt around 2010.
• Status: a closed, huge brownfield site; a symbol of post-socialist deindustrialization.

2. “Chavdar” – bus and trolley bus plant, Botevgrad

• Founded in 1924, nationalized after 1948.
• During socialism, it produced buses and trolleybuses for the domestic and Eastern European markets.
• After 1990 it lost markets and went bankrupt in 1999.
• Status: the site exists but the factory is abandoned.

3. Tobacco City, Plovdiv

• A huge complex of warehouses and factories for the processing and export of tobacco, developed during socialism.
• After 1990, production almost stopped; many buildings are abandoned and crumbling.
• Status: most of the area is unusable; restoration and repurposing projects are being discussed.

4. Metallurgical plant “Lenin” (today “Stomana Industry”) – Pernik

• Founded in 1953, one of the pillars of heavy industry.
• After the transition, production declined sharply; many related businesses have closed.
• Status: it works partially, but on a very limited scale.

5. “Bulgartabac” – cigarette factories (Blagoevgrad, Plovdiv, Sofia, etc.)

• During socialism, Bulgaria was among the leading exporters of cigarettes.
• After 2010, the plants in Blagoevgrad and Sofia were gradually closed; thousands of cuts.
• Status: most factories closed or diverted to other activities.

6. “Home electronics” – Veliko Tarnovo

• Founded in 1960; produced radios and televisions.
• In the 1980s, there were over 6,000 workers.
• Declared bankrupt in 2014.
• Status: closed; the buildings are partially abandoned.

7. “Agrobiochem” – near Stara Zagora

• A chemical plant for fertilizers and plastics, built in the 1960s.
• After the transition, it went bankrupt and remained abandoned; subject to environmental problems.
• Status: completely abandoned, dangerous industrial terrain.

8. “Balkan” – motorcycle factory, Lovech

• Production of motorcycles and mopeds under the “Balkan” brand (1957–1975).
• Status: the factory is closed; the buildings are partially used for other purposes.

9. Petrochemical plant “Plama” – Pleven

• Built in the late 1960s.
• It ceased operations in 1998 after bankruptcy.
• Status: completely closed, one of the most famous industrial ruins of Bulgaria.

11. Chemical plant “Karl Marx” – Devnya

• Built during socialism to produce soda and chemicals.
• After 1989, part of the production was privatized or stopped.
• Status: partially operational, but many of the old facilities have been decommissioned.

12. “Vazovsky Machine-Building Plants” (VMZ) – Sopot

• A huge engineering and weapons complex, expanded during socialism.
• After 1990, production declined sharply; there are layoffs and restructuring.
• Status: works, but with a much reduced capacity.

13. Textile and knitting factories – Sofia and the country

• In the 1970s and 1980s, textiles were among the leading industries.
• After 1990, a large number of factories closed or were privatized.
• Status: most have disappeared or changed their activities.

..Yambolen – Yambol and many many many others.